This name is a synonym of Plumeria obtusa L..
The record derives from WCSP
(data supplied on 2012-03-23)
which reports it as a synonym (record 452110) with original publication details: Pl. Wright. 2: 519 1862.
This name record (from WCSP) was not included in version 1 of The Plant List. It is possible the same name was included from a different data source, to check this you can search for Plumeria obtusa in version 1 of The Plant List.